 | | Journal (article/letter/editorial) | | 1995 ) 455-488 The late Archean Hemlo gold deposit, Ontario, Canada: a review and synthesis Yuanming...Saskatoon, Sask. S7N 5E2, Canada Department of Earth Sciences, University of Western Ontario, London, Ont. N6A...5B7, Canada Received 18 March 1994; accepted 30 January 1995 Abstract The Hemlo gold deposit, northwestern...northwestern Ontario, Canada, is situated within the late Archean Hemlo--Heron Bay greenstone belt of the...central axis of the greenstone belt. The Hemlo gold deposit is located within the central metamorphic |  | | Report (issue) | | Energy, Mines and Resources Canada E:nergie, Mines et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES...POWER OF OUR IDEAS COVER Left: Amethyst - Thunder Bay, Ontario. Specimen measures 4.5 cm across the base...no. 17206. GSC 204971-1 Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR... Ā© Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents...bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada KIA OS9 and from. Geological |  | | Journal (article/letter/editorial) | | com/locate/oregeorev The Hemlo gold deposit, Ontario, Canada: principal deposit characteristics and constraints...Geology Section, Ontario Geological Survey, 933 Ramsey Lake Road, Sudbury, Ontario, Canada, P3E 6B5 Received...2002 Abstract The Archean, world-class, Hemlo lode gold deposit has been overprinted by deformation and...accounts for all of the characteristics of the deposit. Most proposed models are inappropriate in terms...ratios. The deposit is spatially associated with: highstrain zones; a restraining bend in the Hemlo greenstone |  | | Journal (article/letter/editorial) | | Setting of the Hemlo Gold Deposit, Ontario, Canada SHOUFA LINā ,* Geological Survey of Canada, 601 Booth Street...Street, Ottawa, ON K1A 0E8, Canada Abstract Results of detailed surface and underground mapping and...compilation of data from the three gold mines in the Hemlo area, Ontario, are presented. In particular, the...the area are elucidated. The genesis of the gold deposit is discussed in context of these results. Four...deformation is the strongest and the geometry of the Hemlo camp is dominated by macroscopic (camp-scale) āSā-shaped |  | | Journal (article/letter/editorial) | | December 2014 GOLD IN THE CANADIAN SHIELD DAVID K. JOYCE Box 95551 Newmarket, Ontario Canada L3Y 8J8 dkjoyce@bellnet... Hollinger mine, Timmins, Ontario. This mine was often confused with the famous Dome mine, nearby, because...Unless otherwise noted, all specimens from the David K. Joyce collection and all specimen photos by Raymond...underlying the central and northern portion of Canada. For the most part, the Shield is a geologically...that has helped shape the character and economy of Canada for the past approximately 150 years. It has only |  | | Journal (article/letter/editorial) | | Geology Reviews 10 (1995) 31-50 Two phase syntectonic gold mineralization and barite remobilization within...the main ore body of the Golden Giant mine, Hemlo, Ontario, Canada Katsuyoshi Michibayashi 1,. Department...analysis of the central part of the Hemlo gold deposit in the Hemlo--HeronBay greenstone belt has revealed...influenced the orebody and controlled the localization of gold mineralization. Development of D3 dextral shearing...feldspathic orebody, such that this deposit appears to be controlled by the Hemlo Shear Zone. However, the orebody |  | | Journal (article/letter/editorial) | | Metamorphism of Hydrothermal Alteration at the Hemlo Gold Deposit, Ontario MARTIN HEILIGMANN, ANTHONY E. WILLIAMS-JONES...Street, Montreal, Quebec, Canada H3A 2A7 Abstract The Hemlo Au (-Mo) deposit is an example of atypical...north-central Ontario. The ore is shear hosted and consists primarily of disseminated native gold in several...arite-muscovite-biotite-pyrite) rocks, surrounded by muscovitequartz-pyrite schists. Regional, amphibolite-facies...replaced by rutile, and pyrrhotite is replaced by pyrite. In altered and mineralized mafic fragmental rocks |  | | Book | | and prosperity through the mining industry to Ontario. /;/ :_ !.J-~,;- . '.: Ā· Ā·Ā· Ā·Ā·Ā· Ā·Ā· } ,.Ā·"...cation Data Barnes, l\lfichacl, 193Ā·1Cold in Ontario lncludes bibliograph ical references. BUDIMIR...LIBRARYLSBN l-SS01.l()- l 1.IG-X I. Gold 1nines and n1ining- Ontario - History. I. Title. IID~)536.C2...in Canada FirsL p u blish e d in 1995 by 'The Boston Mills Press 132 lvlain Street Erin Ontario ' NOB...North York, Ontario M3B 2T6 The publisher gratefu lly acknowledges the support of Ll1e Canada Council, |  | | Journal (article/letter/editorial) | | Deformation at Hemlo, Ontario, and the Timingof Au-Mo Mineralizationin the GoldenGiant Mine ROGEā¢J. KUHNS...Golden Giant mine is developedin the ArchcanHemlo gold-molybdenumdeposit hostedwithin the Hemlo-HeronBay...with microcline-mica-pyrite alteration,anda varietyof other minerals. The Hemlo areahasbeen intrudedby...garnet,epidote,chlorite,and muscovite.The GoldenGiant mine rocksare stronglyfoliated,andcommonlyexhibitmyloniticandtransposed...metasedimentaryrocks. Mineralized THE Golden Giant mine representsthe central por- rocksare enrichedin Au |  | Fleet, Michael E., Seller, Michael H. (1997) Rare earth elements, protoliths, and alteration at the Hemlo gold deposit, Ontario, Canada, and comparison with argillic and sericitic alteration in the Highland Valley porphyry district, British Columbia, Canada. Economic Geology, 92 (5) 551-568 doi:10.2113/gsecongeo.92.5.551 | Journal (article/letter/editorial) | | Protoliths, andAlterationat the HemloGoldDeposit, Ontario,Canada,andComparison withArgillicandSericiticAlteration...HighlandValleyPorphyryDistrict,BritishColumbia,Canada MICHAELE. FLEET, ā¢ MICHAELH. SELLER,* Departmentof...Sciences, Universityof ā¢VesternOntario,London,Ontario,CanadaN6A 5B7 AND YUANMING PAN Department of...Dilutionof REE abundances by secondary minerals (pyrite,barite,quartz, andcarbonates) averaged x2.0, andlossoflightREE...exploration for Hemlo-type golddeposits. Argillicalteration in the Highland Valleyporphyry district, BritishColumbia |  | | Journal (article/letter/editorial) | | geochemistry of vanadian silicates in the Hemlo gold deposit, Ontario, Canada Yuanming Pan and Michael E. Fleet...of Geology,Universityof Western Ontario, London,Ontario N6A 5B7, Canada, Received March 22, 1991/Accepted...present in green mica schist from the Hemlo gold deposit, Ontario, Canada. Vanadium-rich silicate minerals...talc and tremolite in other lithologies of the Hemlo deposit. The principal substitution that incorporates...Vanadium-enriched green mica schist from the Hemlo gold deposit is characterized by uniform Ti/Zr ratios |  | | Journal (article/letter/editorial) | | 1104-1120 Calc-SilicateAlterationin the Hemlo Gold Deposit,Ontario:Mineral Assemblages, P-T-X Constraints...Department of Geology, University of Western Ontario,London,Ontario,CanadaN6A5B7 Abstract A late calc-silicate...alterationcharacterizes the ArcheanHemlogolddepositin Ontario, Canada.Calc-silicate minerals,includingepidote-clinozoisite...fluid within a dilatantregionalplanarstructure(the Hemlo shearzone).A direct association of nativegoldgrainswith...Hemlodeposit. Introduction GeologicSetting The Hemlo gold depositis locatedapproximately MOSTArcheangolddepositsare |  | | Journal (article/letter/editorial) | | University of Toronto, 22 Russell Street, Toronto, Ontario, Canada M5S 3B1 Abstract Hydrothermal monazite is...albitized Huronian sediments at two Proterozoic gold deposits east of the Sudbury Igneous Complex. Other...Creek gold deposit in Australia (Compston and Matthai, 1994) and the Bayon-Obo REE-Fe-Nb deposit in China...hydrothermal monazite from a hydrothermal ore deposit in China, using Eu anomalies, absolute REE concentrations...evolution of some ore deposits, such as orogenic lode gold deposits (Groves and Phillips, 1987; Hagemann and |  | | Journal (article/letter/editorial) | | Florida] at 23:45 31 December 2014 Realgar Jiepaiyu Mine, Shimen, Hunan Province, China T here has been...rocks and has been identified as a product of coal-mine fires. Commonly associated minerals include orpiment...Paris, Oxford County, Maine, and the Palermo No. 1 mine, Groton County, New Hampshire. It occurred with...occurrences in the western United States, particularly gold deposits of the general Carlin type in Nevada (Castor...attractive groups of crystals from the Getchell mine, Humboldt County, where individual crystals to 12 |  | | Journal (article/letter/editorial) | | apatite porphyroblasts from the Hemlo gold deposit, Ontario, Canada YUANMING PAN, MICHAEL E. FLEET AND...Geology University of Western Ontario London, Ontario N6A 5B7, Canada Abstract Oriented inclusions...muscovite schist from the Archaean Hemlo gold deposit, Ontario, Canada. The monazite inclusions are elongated...REE-bearing metamorphic apatite from the Hemlo gold deposit, Ontario, Canada, that occurs as porphyroblasts with...of the diffuse westward extension of the Hemlo gold deposit (Pan and Fleet, 1991a; 1992). The pleochroic |  | | Journal (article/letter/editorial) | | multi-process genetic hypothesis for greenstonehosted gold lodes R.W. Hutchinson Department of Geology and...multi-process genetic hypothesis for greenstone-hosted gold lodes. In: S.J. Haynes (Editor), Vein-type Ore Deposits...the geology and geochemistry of greenstone-hosted gold lodes have emerged during the worldwide, intensive...reduced conditions of Archean time. They leached gold, silica, carbonate and other components of the ores...This accounts for the widespread low, but anomalous gold content of Algoma type iron-formations and for the |  | | Journal (article/letter/editorial) | | vanadian allanite-(Ce) from the Hemlo gold deposit, Ontario, Canada YUANMING PAN AND MICHAEL E. FLEET...Geology, University of Western Ontario, London, Ontario N6A 5B7, Canada Abstract Allanite-(La) (containing...titanite in the main ore zone of the Hemlo gold deposit, Ontario, Canada. Allanite-(Ce) generally occurs as...The high V concentrations in the allanites from Hemlo are readily attributable to an adequate local source...mobility, titanite. Introduction THE Hemlo deposit, Ontario, Canada, is anomalously enriched in vanadium |  | | Journal (article/letter/editorial) | | OXIDE MINERALS OF THE GREEN GIANT VANADIUMGRAPHITE DEPOSIT, SOUTHWEST MADAGASCAR VERONICA E. DI CECCOĀ§ AND...History-Mineralogy, Royal Ontario Museum, 100 Queens Park, Toronto, Ontario, M5S 2C6, Canada EDWARD T.C. SPOONER...University of Toronto, 22 Russell Street, Ontario, M5S 3B1, Canada CRAIG SCHERBA NextSource Materials Inc...Wellington Street, West #1001, Toronto, Ontario, M5H 3L5, Canada ABSTRACT Rare vanadium-rich oxide minerals...INTRODUCTION The Green Giant vanadium-graphite deposit is located in southwest Madagascar (Fig. 1), 145 |  | | Book | | URANIUM ONTARIO =i Coe Hill IRON AX NEPHELINE SVEN āated A GOLD A IRON Gilmour IRON GOLD. ee...Lake ONTARIO Kirk Lake Giroux Lake Township Lorrain Coleman Township . . . . . . . Hudson Bay mine...Trethewey mine Coniagas mine Buffalo mine Silver Queen mine McKinley-Darragh mine Nipissing mine . Nipissing...Nipissing mine . La Rose mine . . . . OāBrien mine Provincial mine Crown Reserve mine Badger mine oF WINNIPEG...the Ontario Ministry of Northern Development and Mines Macmillan of Canada A Division of Canada Publishing |  | | Journal (article/letter/editorial) | | Geology Vol. 99, pp. 1063ā1084 The Hemlo Gold Deposit, Ontario: An Example of Melting and Mobilization...University of Calgary, Calgary, Alberta, Canada T2N 1N4 DAVID R. M. PATTISON, Department of Geology and...Calgary, Calgary, Alberta, Canada T2N 1N4 AND EVA ZALESKI Geological Survey of Canada, 3303 ā 33rd St. NW... Alberta, Canada T2L 2A7 Abstract The timing of mineralization at the Hemlo gold deposit has long been...mineralization. The results have implications for mine exploitation and exploration strategies. We show |  | Groves, D. I., Goldfarb, R. J., Robert, F., Hart, C. J. R. (2003) Gold Deposits in Metamorphic Belts: Overview of Current Understanding,Outstanding Problems, Future Research, and Exploration Significance. Economic Geology, 98 (1) 1-29 doi:10.2113/gsecongeo.98.1.1 | Journal (article/letter/editorial) | | Economic Geology Vol. 98, 2003, pp. 1ā29 Gold Deposits in Metamorphic Belts: Overview of Current Understanding... Future Research, and Exploration Significance DAVID I. GROVES,ā Centre for Global Metallogeny, Department...Denver, CO 80225-0046 FRANĆOIS ROBERT, Barrick Gold of Australia Ltd., 10th Floor, 2 Mill St., Perth...Geology Program, Box 2703 (K-10) Whitehorse, Yukon, Canada Y1A 2C6 and Centre for Global Metallogeny, Department...collision has added to, or thickened, continental crust. Gold-rich deposits can be formed at all stages of orogen |  | | Book | | enOLOGIOAT SURVEY OF CANADA. AALFRED R C.SELWYN, C. M. G., LL.D. F.RS., Director GEOLOGICAL SURVEY...17 20 v1 GEOLOGICAL TABLE OF SURVEY OF CANADA. CONTENTSā Continued. OXYGEN saLTsāContinued...ORESāContinued. Gold ores: Goldabearing Quartzampapg ends ileus Steet ceived ssmam sits)s Gold-bearing rocks...vol hee ke hex yee oe ihe date at von Gold and silver ores : Gold and silver ores from the province of... TABLE METALS oe AND OF THEIR SURVEY OF CANADA. CONTENTSāContinued. ORESāContinued. . Tron |  | | Book | | Gold Mining87 C.O. BriWwaen editor GIETY oo Digitized by the Internet Archive in 2022 with funding...org/details/goldmining87firsO00Ointe GOLD MINING 87 First International Conference on Gold Mining November 23, 24...24, 25, 1987 Vancouver, British Columbia, Canada C. O. Brawner, Editor Advisory Organizations BC Dept...related to Gold such as geology, mineral processing, placer mining, heap leaching, small mine development...development, etc. This is the first major conference on gold to present an overview from geology to environmental |  | | Book | | performance record (1986-1990) without equal in the gold industry Ā® Record revenue, earnings and cash flow...flow achieved in each of the last five years. Ā® Gold production rose 220% to 596,000 ounces in 1990. The...and over 1.1 million ounces annually by 1992. @ Gold reserves increased nine-fold to 20.4 million ounces...five-year period. @ Higher production and a unique gold hedging program should ensure future growth. C20...Geoffrey Lee Christopher Long Rosemarie Muldoon David Sanders Christopher Swain Debbie Treadwell Advertisement |  | | Book | | THE MINING INDUSTRY William Petruk Ottawa, Ontario, Canada 2000 ELSEVl ER Amsterdam - Lausanne - New...and to CANMET, Department of Natural Resources Canada in 1995. pilot plant tests on a wide variety...Prof G. Barbery, Laval University, Quebec City, Canada, Dr. R. Lastra, CANMET, myself and many others...metal (copper, zinc and lead) volcanogenic ores, gold ores, porphyry copper ores, iron ores, and industrial...were: R.E. Healy, Minoretek, Winnipeg, Manitoba, Canada, Dr. K. Kojonen, Geological Survey of Finland, |
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